Roorkee express normally reaches its destination at 50 km/h in 30 hours. Find the speed at which it travels to reduce the time by 10 hours?

Roorkee express normally reaches its destination at 50 km/h in 30 hour

1.	Roorkee express normally reaches its destination at 50 km/h in 30 hours. Find the speed at which it travels to reduce the time by 10 hours?
A.	38 km/h
B.	76 km/h
C.	75 km/h
D.	60 km/h
Answer» D. 60 km/h

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Roorkee express normally reaches its destination at 50 km/h in 30 hours. Find the speed at which it travels to reduce the time by 10 hours?

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